fix backend output format

pkg/api/handle_manage_folder.go

@@ -2,6 +2,7 @@ package api
 
 import (
 	"encoding/json"
+	"log"
 	"net/http"
 )
 
@@ -24,6 +25,8 @@ func (api *API) HandleResetFoldername(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
+	log.Println("[api] Reset foldername folderID", req.ID)
+
 	err = api.Db.ResetFoldername(req.ID)
 	if err != nil {
 		api.HandleError(w, r, err)
@@ -32,3 +35,34 @@ func (api *API) HandleResetFoldername(w http.ResponseWriter, r *http.Request) {
 
 	api.HandleOK(w, r)
 }
+
+type UpdateFoldernameRequest struct {
+	ID         int64  `json:"id"`
+	Foldername string `json:"foldername"`
+}
+
+func (api *API) HandleUpdateFoldername(w http.ResponseWriter, r *http.Request) {
+	req := &UpdateFoldernameRequest{}
+	err := json.NewDecoder(r.Body).Decode(req)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusBadRequest)
+		return
+	}
+
+	// check is admin
+	err = api.CheckAdmin(w, r)
+	if err != nil {
+		api.HandleError(w, r, err)
+		return
+	}
+
+	log.Println("[api] Update foldername folderID", req.ID, req.Foldername)
+
+	err = api.Db.UpdateFoldername(req.ID, req.Foldername)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	api.HandleOK(w, r)
+}